BUG: commit "ARM: Remove __ARCH_WANT_INTERRUPTS_ON_CTXSW on pre-ARMv6 CPUs" breaks armv5 with CONFIG_PREEMPT

[Marc Kleine-Budde]

On 07/17/2013 10:51 AM, Russell King - ARM Linux wrote:
> On Wed, Jul 17, 2013 at 10:41:19AM +0200, Marc Kleine-Budde wrote:
>> What happend to that patch? I cannot find it in v3.10.x nor in linus/master.
> 
> Catalin sent it to me, and I didn't apply it because it's still racy.
> 
> We have stateful context switches (due to cache clearing) and this does
> nothing to solve the problem there.  If we get preempted during the
> cache clearing, things will still go wrong.

Thanks for the update.

> See:
> 
> http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7771/1
> 
> I've no idea what's happening about this.  It looks to me like nothing
> happened after Catalin's last comment there.

Catalin, what's next?

Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
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